3v4l.org

run code in 300+ PHP versions simultaneously
<?php class First { $foo = 5; public function ffunc(){ $bar = $this->$foo + 3; return $bar; } } $res = First(); echo $res->ffunc();
Output for 5.4.0 - 5.4.21
Parse error: syntax error, unexpected '$foo' (T_VARIABLE), expecting function (T_FUNCTION) in /in/mfJpd on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_VARIABLE, expecting T_FUNCTION in /in/mfJpd on line 5
Process exited with code 255.
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187.99 ms | 1395 KiB | 57 Q